The city of Columbia is located in the county of Boone. It covers a total area of 161.24 sq. km. Industries related to advertising, aviation, household appliances, automotive, boat equipments, apparel, information technology, pharmaceuticals, fabrics, furniture, health, oil and lubrication, publishing, real estate and sheet metal and transport, enhance the local economy of the city. Commercial spaces are utilized by radio stations, educational institutions, wineries and seafood restaurants. The local inhabitants are engaged in businesses related to supplies of roofing equipments, office equipments, medical equipments and building materials.